Vectorcardiographic
心电向量描记法的
🗣️ 情景例句
You pay there. I have the next group to go down. I'll see you soon then.
你在那儿付钱。我带的下一个团就是要下去的。回见！
He sketched his own part in the affair.
他概述了自己在此事中的作用。
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。